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TY - CONF AU - Kurtulus, A. AU - Accentura, C. AU - Biancacci, N. AU - Carra, F. AU - Caspers, F. AU - Chitnis, N. AU - Giordano, F. AU - Illan Fiastre, R. AU - Joly, S. AU - Lamas Garcia, I. AU - Mourier, L. AU - Métral, E. AU - Redaelli, S. AU - Salvant, B. AU - Vollenberg, W. AU - Vollinger, C. AU - Zannini, C. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - Detailed Electromagnetic Characterisation of HL-LHC Low Impedance Collimators J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021 CY - Campinas, SP, Brazil T2 - International Particle Accelerator Conference T3 - 12 LA - english AB - The High Luminosity Large Hadron Collider (HL-LHC) project will upgrade the LHC machine to allow operation with increased luminosity for the experiments. In order to achieve this goal, different operational parameters of the machine need to be pushed beyond the present design values, including the stored beam energy. One of the main challenges related to the achievement of the upgraded performance is the beam collimation system and its contribution to the overall machine impedance budget. In this perspective, new low impedance collimators have been designed, fabricated, and installed in the LHC. In this study, we will present their detailed electromagnetic (EM) characterization by means of radio frequency (RF) measurements and EM simulations. PB - JACoW Publishing CP - Geneva, Switzerland SP - 4258 EP - 4261 KW - impedance KW - simulation KW - operation KW - collimation KW - factory DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-THPAB235 UR - https://jacow.org/ipac2021/papers/thpab235.pdf ER -